EP0978092B1 - Portable data transmission device and fastening element - Google Patents
Portable data transmission device and fastening element Download PDFInfo
- Publication number
- EP0978092B1 EP0978092B1 EP97931665A EP97931665A EP0978092B1 EP 0978092 B1 EP0978092 B1 EP 0978092B1 EP 97931665 A EP97931665 A EP 97931665A EP 97931665 A EP97931665 A EP 97931665A EP 0978092 B1 EP0978092 B1 EP 0978092B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fixing element
- coupling element
- baseplate
- data
- smart card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10158—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
- G06K7/10178—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/005—Record carriers for use with machines and with at least a part designed to carry digital markings the record carrier comprising an arrangement to facilitate insertion into a holding device, e.g. an arrangement that makes the record carrier fit into an etui or a casing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
Definitions
- the invention relates to a portable data transmission device according to the preamble of claim 1 and on a fastening element for supporting a coupling element for a data carrier according to the preamble of the claim 8th.
- chip cards which are usually in credit card format, have become extremely versatile due to their high functional flexibility and continue to increase with the increasing computing power and storage capacity of the available integrated circuits.
- chip cards In addition to the currently typical fields of application of such chip cards in the form of health insurance cards, flextime recording cards, telephone cards and the like, there will in particular be applications in the future in electronic payment transactions, in access control to computers, in protected data memories and so on.
- contact-type chip cards With regard to the type of coupling to a terminal or a read / write station, a distinction is made between contact-type chip cards and so-called contactless chip cards.
- contact In the case of a contact-type chip card, contact is made through a metallic contact field with contact areas that are usually standardized according to an ISO standard.
- contactless chip cards which, in addition to technical advantages over the contact-based chip card, also offer a number of interesting new possibilities in use for the card issuer and the card user.
- contactless chip cards do not necessarily have to be inserted into a card reader, but there are systems that work over a distance of a few meters.
- Public transport is a broad area of application, for example, where as many people as possible have to be recorded in the shortest possible time.
- the contactless chip card offers the advantage that no technical elements are visible on the card surface, so that the optical design of the card surface is not restricted by magnetic strips or contact surfaces.
- the disadvantages of the contactless chip cards currently available are primarily the additional components, such as transmission coils or capacitor plates, which have to be integrated into the card.
- the electronics required in the contactless chip card for the contactless transmission of electrical signals to the read / write station are more complex.
- suitable for this are circuits which enable signal transmission by means of microwaves, optical signals, capacitive or inductive coupling, the capacitive and inductive coupling being the most suitable because of the flat design of the chip card.
- Most contactless cards are currently being transmitted inductively, which can be used to implement both data and energy transmission.
- One or more induction coils are thus integrated in the card body and are suitably contacted with the circuit located on the semiconductor chip.
- the transmission of electrical signals is based on the principle of the loosely coupled transformer, the carrier frequency being, for example, in the range between 100 and 300 kHz or at a few MHz, in particular the industrial frequency of 13.56 MHz.
- induction coils are required with respect to the base of the semiconductor chips of substantially larger in the order of about 10 mm 2 coil areas of typically from about 30 to 40 cm 2, wherein the induction coil has usually only a few turns and is formed flat.
- the semiconductor components are mounted on the etched coil in the form of prefabricated modules or directly as a chip.
- the chip module which is present as a separate component, together with the induction coil is then laminated into the card body in order to complete the chip card, intermediate foils which have been punched out, if appropriate, being introduced as inlay foils for the volume compensation during lamination.
- the possible configurations and configurations of the induction coil are limited, on the one hand, by the predetermined maximum overall height of approximately 840 ⁇ m of an ISO chip card and, on the other hand, by the predetermined bending properties according to the ISO standard, and thus the maximum achievable magnetic flux density.
- An important parameter for contactless chip cards is the range, ie the maximum distance between the chip card and the read / write station, within which the data transfer still works perfectly.
- the maximum possible range primarily depends on the adaptation of the induction coil within the chip card in relation to the semiconductor chip and on the effective area of the induction coil working as an antenna, the coil area being naturally limited due to the specified chip card size.
- EP-A-0 691 625 discloses a portable radio frequency wrapper for a chip card according to the preamble of Claim 1 has become known which wrapping a battery powered Microcontroller circuit incorporated, with which the contactless transmission of data from the Chip card to a reader can be accomplished.
- the Data exchange from the chip card to the one provided in the wrapper Microcontroller circuit is capacitive Capacitor plates, the power supply of the chip card is done via an inductive driver circuit provided in the casing, which also has a ferrite core.
- a protective cover for contactless Chip cards has become known, in which the chip card from one flat, in particular rectangular shell is surrounded, and at least a portion of the areas surrounding the map is electrically conductive.
- the protective cover enables contactless smart cards in front of an unauthorized Protect access.
- the present invention has for its object a Arrangement for a contactless chip card is available too with which the reading or writing security Guide the contactless chip card past the read / write station improved, and the maximum possible reading or Writing distance can be increased.
- the data carrier is a contactless one Chip card with one in the card body of the chip card integrally trained induction coil, which with the electronic circuit is electrically connected, and the coupling element is a magnetic associated with the induction coil Has material.
- the magnetic material can be a ferrite material incorporated into the fastener as Represent full body, in addition to the classic ferrite materials other suitable magnetic materials are also used can arrive, for example rare earth magnet materials such as barium titanate and the like.
- the invention offers a number of advantages over the known contactless chip cards. For one, one can the antenna effect in the contactless transmission of amplifying electrical signals to the read / write station Coupling element regardless of the structural requirements of the chip card with a view to the largest possible reading or Writing distance can be optimized. So can the height of the coupling element for example up to several millimeters, which opens up the use of ferrite material as a coupling element, for example in contactless access control of a user improves reading security and the maximum reading distance can be increased significantly. On the other hand the fastening element with the coupling element can be any often used and for example after a Discard the chip card again.
- the fastener as an envelope for the Data carrier is formed, and at least the data carrier partially records.
- the wrapper can in any case as protection for the contactless chip card, as well as jewelry and Serve advertising media. However, the wrapping can go beyond that also from a transparent or at least partially translucent material, especially plastic material be made, and in this way in the wrapper introduced data carrier the optical view of the on the Ensure that labels are attached to the data carrier.
- the coupling element is permanently attached to the fastener, and the fastener and the disk for one another Detachable mechanical connection formed or arranged are. In this way, when recorded or attached Disk in or on the fastener correct position of the coupling element with respect to electronic circuit ensured, and yet a connection or solution of Data carrier and coupling element guaranteed.
- Another preferred embodiment of the invention is characterized is characterized in that the fastener made of plastic material is made, and the coupling element in particular in the form of plastic-bonded magnetic particles within the Fastener is introduced.
- the fastener in terms of bending properties the standard specifications for chip cards to reach.
- the fastener in the form of a bag designed to at least partially accommodate the data carrier is which pocket is a base plate and which one Base plate has at least partially covering cover plate, which mediates on the edge area of the base plate a support device is supported.
- the support device as a substantially U-shaped spacer and / or in the form of individual, on the edge of the Base plate more distributed and spaced apart Spacers should be formed.
- the coupling element either one-sided within only one Sidewall at a predetermined position parallel to Chip card inserted, or for further enlargement the effective antenna effect on both sides the chip card introduced within the fastener his.
- the embodiments shown in Figures 1 to 3 of the invention include a portable data transmission device 1 for contactless transmission of electrical signals or data to a (not shown stationary Read / write station), with a data carrier 2 in the form of a commercially available contactless chip card and a coupling element 3 made of a magnetic material.
- the contactless chip card 2 comprises a card body in credit card format 11 made of plastic material, within which one on one Semiconductor chip trained electronic circuit with a data storage and an electrical with the circuit connected induction coil are integrally formed, wherein the turns of the induction coil using the maximum Card area of the chip card 2 approximately the outer dimensions of the card body 11 have corresponding dimensions.
- the production of such a contactless chip card 2 with integrated induction coil and semiconductor chip is the A person skilled in the art and need not be elaborated here become.
- the external dimensions of the data carrier 2 at least partially adapted fastening element 4 provided, on the one hand the data carrier 2, and on the other the coupling element 3 in the predetermined position with respect of the data carrier 2 supports.
- the coupling element 3 is permanent attached to the fastener 4 or introduced.
- the fastener 4 provides a protective cover for the contactless chip card in the shape of a pocket for almost complete ( Figures 1 and 2) or complete recording ( Figure 3) of the data carrier 2, which pocket is a base plate 5 and one which at least partially covers the base plate 5 Has cover plate 6, which on the edge area the base plate 5 is supported by means of a support device 7 is, the support 7 as substantially U-shaped spacer is formed.
- the U-shaped Spacer 7 is on the edge area of the base plate 5 for example glued, and that on the spacer glued on cover sheet 6 supported so that the cover sheet 6 arranged at a certain distance from the base plate 5 is.
- the fastener shown in Figures 1 to 3 4 is thus on three sides by means of the support device 7 completed, and only open on one side.
- the optionally optically transparent base plate 5 and the cover plate 6 each consist of a flexible, mechanically durable and dimensionally stable plastic, such as for example polycarbonate or polyester.
- the total strength the cover plate 6, which also consists of several individual foils is, for example, 0.25 mm to 2 mm.
- the strength of the support 7 is chosen so that easy insertion the disk 2 in the fastener 4 guaranteed is, for example, slightly more than 840 ⁇ m.
- U-shaped spacer 7 can support the a further embodiment, not shown the invention also in the form of individual, on the edge of the Base plate 5 distributed spacers can be formed, wherein in this case the fastener 4 at the three Marginal areas is not completely completed, but an air gap between cover plate 6 and base plate 5 has, so that the disk 2 even easier in the fastener 4 is insertable.
- the base plate made of the same material as the cover plate.
- Such a thing Fastener can be just like that be formed that a single cover plate with double Area value of a chip card is folded in the middle and for example on three edges by means of the U-shaped Spacer, which has adhesive surfaces, glued together.
- it is easier to manufacture because of a supported on the edge area of the base plate Part of the cover plate designed as a support device, so that cover plate and support device from one piece consist.
- the one that forms the support device can Edge section of the cover plate deep-drawn, embossed, folded and kinked, or made by some other process his.
- cover plate 6 In the embodiment shown in Figure 1 is within the cover plate 6 is a thin, plate-shaped ferrite 12 incorporated, the footprint of almost completely the corresponding external dimensions of the data carrier 2 corresponds.
- the cover plate 6 consists of two in this case even plastic films, between which the ferrite plate 12 is inserted, and with each other at the edge area are welded.
- each having a thickness have, for example, about 0.5 mm to 1 mm.
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- General Physics & Mathematics (AREA)
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
Description
Die Erfindung bezieht sich auf eine tragbare Datenübertragungsvorrichtung nach dem Oberbegriff des Anspruches 1 und auf ein Befestigungselement zur Abstützung eines Koppelelementes für einen Datenträger nach dem Oberbegriff des Anspruches 8.The invention relates to a portable data transmission device according to the preamble of claim 1 and on a fastening element for supporting a coupling element for a data carrier according to the preamble of the claim 8th.
Die Anwendungsmöglichkeiten von in der Regel im Scheckkartenformat ausgebildeten Chipkarten sind aufgrund einer hohen funktionalen Flexibilität äußerst vielseitig geworden und nehmen mit der steigenden Rechnerleistung und Speicherkapazität der verfügbaren integrierten Schaltungen weiterhin zu. Neben den derzeit typischen Anwendungsfeldern solcher Chipkarten in der Form von Krankenversichertenkarten, Gleitzeiterfassungskarten, Telefonkarten und dergleichen ergeben sich zukünftig insbesondere Anwendungen im elektronischen Zahlungsverkehr, bei der Zugriffskontrolle auf Rechner, bei geschützten Datenspeichern und so weiter. Hinsichtlich der Art der Kopplung an ein Terminal bzw. eine Lese-Schreibstation unterscheidet man kontaktbehaftete Chipkarten und sogenannte kontaktlose Chipkarten. Bei einer kontaktbehafteten Chipkarte erfolgt die Kontaktierung durch ein metallisches Kontaktfeld mit üblicherweise nach einem ISO-Standard normierter Kontaktflächen. Daneben gibt es kontaktlose Chipkarten, die neben technischen Vorteilen gegenüber der kontaktbehafteten Chipkarte darüber hinaus eine Reihe interessanter neuer Möglichkeiten in der Anwendung für den Kartenherausgeber und den Kartenmitbenutzer bieten. So müssen kontaktlose Chipkarten zum Beispiel nicht unbedingt in einen Kartenleser eingesteckt werden, sondern es gibt Systeme, die über eine Entfernung von einigen Metern funktionieren. Ein breites Anwendungsgebiet stellt beispielsweise der öffentliche Personennahverkehr dar, wo in möglichst kurzer Zeit möglichst viele Personen erfaßt werden müssen. Neben weiteren Vorteilen bietet die kontaktlose Chipkarte den Vorzug, daß keine technischen Elemente an der Kartenoberfläche sichtbar sind, so daß die optische Gestaltung der Kartenoberfläche nicht durch Magnetstreifen oder Kontaktflächen eingeschränkt wird. Die Nachteile bei den derzeit verfügbaren kontaktlosen Chipkarten liegen vor allem in den zusätzlichen Bauelementen wie Übertragungsspulen oder Kondensatorplatten, die in die Karte zu integrieren sind. Darüber hinaus ist die in der kontaktlosen Chipkarte erforderliche Elektronik zur kontaktlosen Übertragung von elektrischen Signalen an die Lese-Schreibstation aufwendiger. Im Prinzip geeignet hierfür sind Schaltungen, die eine Signalübertragung mittels Mikrowellen, optischer Signale, kapazitiver oder induktiver Kopplung ermöglichen, wobei sich wegen der flachen Bauform der Chipkarte am ehesten die kapazitive und die induktive Kopplung eignen. Derzeit erfolgt bei den meisten kontaktlosen Karten die Übertragung auf induktivem Wege, mit dem sich sowohl die Daten wie auch die Energieübertragung realisieren lassen. So sind im Kartenkörper eine oder mehrere Induktionsspulen integriert ausgebildet, die auf geeignete Weise mit der auf dem Halbleiterchip befindlichen Schaltung kontaktiert sind. Die Übertragung von elektrischen Signalen erfolgt nach dem Prinzip des lose gekoppelten Transformators, wobei die Trägerfrequenz beispielsweise im Bereich zwischen 100 und 300 kHz oder bei einigen MHz, insbesondere der Industriefrequenz von 13,56 MHz liegt. Hierfür werden Induktionsspulen mit einem gegenüber der Grundfläche des Halbleiterchips von in der Größenordnung etwa 10 mm2 wesentlich größeren Spulenflächen von typischerweise etwa 30 bis 40 cm2 benötigt, wobei die Induktionsspule in der Regel nur wenige Windungen aufweist und flach ausgebildet ist. In der Regel werden die Halbleiterbauelemente in Form von vorgefertigten Modulen oder direkt als Chip auf die geätzte Spule montiert. Anschließend wird das als separates Bauteil vorliegende Chipmodul samt der Induktionsspule zur Fertigstellung der Chipkarte in den Kartenkörper einlaminiert, wobei für den Volumenausgleich beim Laminieren gegebenenfalls mit Ausstanzungen versehene Zwischenfolien als Inlettfolien eingebracht werden. Den denkbar möglichen Anordnungen und Ausbildungen der Induktionsspule sind zum einen durch die vorgegebene maximale Bauhöhe von etwa 840 µm einer ISO-Chipkarte und zum anderen aufgrund der vorgegebenen Biegeeigenschaften nach ISO-Standard Grenzen gesetzt, und damit der maximal erreichbaren magnetischen Flußdichte. Ein wichtiger Parameter bei kontaktlosen Chipkarten stellt hierbei die Reichweite dar, d.h. der maximale Abstand zwischen Chipkarte und Lese-Schreibstation, innerhalb dessen die Datenübertragung noch einwandfrei funktioniert. Abgesehen von den Eigenschaften der Lese-Schreibstation hängt die maximal mögliche Reichweite vor allem von der Anpassung der Induktionsspule innerhalb der Chipkarte im Verhältnis zum Halbleiterchip und von der wirksamen Fläche der als Antenne arbeitenden Induktionsspule ab, wobei die Spulenfläche naturgemäß aufgrund der vorgegebenen Chipkartengröße limitiert ist.The possible uses of chip cards, which are usually in credit card format, have become extremely versatile due to their high functional flexibility and continue to increase with the increasing computing power and storage capacity of the available integrated circuits. In addition to the currently typical fields of application of such chip cards in the form of health insurance cards, flextime recording cards, telephone cards and the like, there will in particular be applications in the future in electronic payment transactions, in access control to computers, in protected data memories and so on. With regard to the type of coupling to a terminal or a read / write station, a distinction is made between contact-type chip cards and so-called contactless chip cards. In the case of a contact-type chip card, contact is made through a metallic contact field with contact areas that are usually standardized according to an ISO standard. In addition, there are contactless chip cards which, in addition to technical advantages over the contact-based chip card, also offer a number of interesting new possibilities in use for the card issuer and the card user. For example, contactless chip cards do not necessarily have to be inserted into a card reader, but there are systems that work over a distance of a few meters. Public transport is a broad area of application, for example, where as many people as possible have to be recorded in the shortest possible time. In addition to other advantages, the contactless chip card offers the advantage that no technical elements are visible on the card surface, so that the optical design of the card surface is not restricted by magnetic strips or contact surfaces. The disadvantages of the contactless chip cards currently available are primarily the additional components, such as transmission coils or capacitor plates, which have to be integrated into the card. In addition, the electronics required in the contactless chip card for the contactless transmission of electrical signals to the read / write station are more complex. In principle, suitable for this are circuits which enable signal transmission by means of microwaves, optical signals, capacitive or inductive coupling, the capacitive and inductive coupling being the most suitable because of the flat design of the chip card. Most contactless cards are currently being transmitted inductively, which can be used to implement both data and energy transmission. One or more induction coils are thus integrated in the card body and are suitably contacted with the circuit located on the semiconductor chip. The transmission of electrical signals is based on the principle of the loosely coupled transformer, the carrier frequency being, for example, in the range between 100 and 300 kHz or at a few MHz, in particular the industrial frequency of 13.56 MHz. For this purpose induction coils are required with respect to the base of the semiconductor chips of substantially larger in the order of about 10 mm 2 coil areas of typically from about 30 to 40 cm 2, wherein the induction coil has usually only a few turns and is formed flat. As a rule, the semiconductor components are mounted on the etched coil in the form of prefabricated modules or directly as a chip. The chip module, which is present as a separate component, together with the induction coil is then laminated into the card body in order to complete the chip card, intermediate foils which have been punched out, if appropriate, being introduced as inlay foils for the volume compensation during lamination. The possible configurations and configurations of the induction coil are limited, on the one hand, by the predetermined maximum overall height of approximately 840 μm of an ISO chip card and, on the other hand, by the predetermined bending properties according to the ISO standard, and thus the maximum achievable magnetic flux density. An important parameter for contactless chip cards is the range, ie the maximum distance between the chip card and the read / write station, within which the data transfer still works perfectly. Apart from the properties of the read / write station, the maximum possible range primarily depends on the adaptation of the induction coil within the chip card in relation to the semiconductor chip and on the effective area of the induction coil working as an antenna, the coil area being naturally limited due to the specified chip card size.
Aus der EP-A-0 691 625 ist eine tragbare Radiofrequenz-Umhüllung für eine Chipkarte entsprechend dem Oberbegriff des Anspruches 1 bekannt geworden, welche Umhüllung eine batteriegespeiste Mikrocontrollerschaltung eingearbeitet besitzt, mit welcher die kontaktlose Übertragung von Daten aus der Chipkarte zu einem Lesegerät bewerkstelligt werden kann. Der Datenaustausch von der Chipkarte zu der in der Umhüllung vorgesehenen Mikrocontrollerschaltung erfolgt kapazitiv über Kondensatorplatten, die Spannungsversorgung der Chipkarte erfolgt über eine in der Umhüllung vorgesehene induktive Treiberschaltung, welche auch über einen Ferritkern verfügt.EP-A-0 691 625 discloses a portable radio frequency wrapper for a chip card according to the preamble of Claim 1 has become known which wrapping a battery powered Microcontroller circuit incorporated, with which the contactless transmission of data from the Chip card to a reader can be accomplished. The Data exchange from the chip card to the one provided in the wrapper Microcontroller circuit is capacitive Capacitor plates, the power supply of the chip card is done via an inductive driver circuit provided in the casing, which also has a ferrite core.
Aus der DE-A-44 01 089 ist eine Schutzhülle für kontaktlose Chipkarten bekannt geworden, bei der die Chipkarte von einer flachen, insbesondere rechteckigen Hülle umgeben ist, und zumindest ein Teilbereich der die Karte umgebenden Flächen elektrisch leitend ist. Mit der Schutzhülle wird es ermöglicht, kontaktlose Chipkarten vor einem nichtautorisierten Zugriff zu schützen. From DE-A-44 01 089 is a protective cover for contactless Chip cards have become known, in which the chip card from one flat, in particular rectangular shell is surrounded, and at least a portion of the areas surrounding the map is electrically conductive. The protective cover enables contactless smart cards in front of an unauthorized Protect access.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Anordnung für eine kontaktlose Chipkarte zur Verfügung zu stellen, mit welcher die Lese- oder Schreibsicherheit bei Vorbeiführen der kontaktlosen Chipkarte an der Lese-Schreibstation verbessert, und der maximal mögliche Lese- oder Schreibabstand erhöht werden kann.The present invention has for its object a Arrangement for a contactless chip card is available too with which the reading or writing security Guide the contactless chip card past the read / write station improved, and the maximum possible reading or Writing distance can be increased.
Diese Aufgabe wird durch eine tragbare Datenübertragungsvorrichtung gemäß Anspruch 1 und ein Befestigungselement gemäß Anspruch 8 gelöst.This task is accomplished by a portable data transmission device according to claim 1 and a fastener according to Claim 8 solved.
Erfindungsgemäß ist vorgesehen, daß der Datenträger eine kontaktlose Chipkarte mit einer im Kartenkörper der Chipkarte integriert ausgebildeten Induktionsspule darstellt, die mit der elektronischen Schaltung elektrisch verbunden ist, und das Koppelelement ein der Induktionsspule zugeordnetes magnetisches Material aufweist. Das magnetische Material kann ein in das Befestigungselement eingearbeitetes Ferritmaterial als Vollkörper darstellen, wobei neben den klassischen Ferritmaterialien auch sonstig geeignete Magnetwerkstoffe zum Einsatz gelangen können, beispielsweise Magnetstoffe der Seltenen Erden wie beispielsweise Bariumtitanat und dergleichen. Bei der Verwendung solcher Ferrite zur Erhöhung der magnetischen Flußdichte der in der Chipkarte untergebrachten Induktionsspule ist man nach dem erfindungsgemäßen Prinzip nach nicht an die bei der eigentlichen Chipkarte in jedem Fall zu erfüllenden ISO-Vorgaben hinsichtlich der Biegeeigenschaften gebunden; demgegenüber sind bei einem Einbringen von Ferritmaterialien unmittelbar in die Karte die erforderlichen ISO-Biegetests-Vorgaben in aller Regel nicht zu erreichen.According to the invention it is provided that the data carrier is a contactless one Chip card with one in the card body of the chip card integrally trained induction coil, which with the electronic circuit is electrically connected, and the coupling element is a magnetic associated with the induction coil Has material. The magnetic material can be a ferrite material incorporated into the fastener as Represent full body, in addition to the classic ferrite materials other suitable magnetic materials are also used can arrive, for example rare earth magnet materials such as barium titanate and the like. In the Use of such ferrites to increase the magnetic Flux density of the induction coil housed in the chip card is according to the principle of the invention not in any case to the actual chip card fulfilling ISO requirements regarding the bending properties bound; in contrast are the introduction of ferrite materials the required ISO bending test specifications directly into the card generally not achievable.
Die Erfindung ermöglicht eine Reihe von Vorteilen gegenüber den vorbekannten kontaktlosen Chipkarten. Zum einen kann ein die Antennenwirkung bei der kontaktlosen Übertragung der elektrischen Signale an die Lese-Schreibstation verstärkende Koppelelement unabhängig von den baulichen Vorgaben der Chipkarte im Hinblick auf einen möglichst großen Lese- oder Schreibabstand optimiert werden. So kann die Bauhöhe des Koppelelementes beispielsweise bis zu mehreren Millimeter betragen, was den Einsatz von Ferritmaterial als Koppelelement eröffnet, wodurch beispielsweise bei der kontaktlosen Zutrittskontrolle eines Benutzers die Lesesicherheit verbessert und der maximale Leseabstand deutlich erhöht werden kann. Zum anderen kann das Befestigungselement mit dem Koppelelement beliebig oft verwendet werden und beispielsweise nach einem Verwurf der Chipkarte erneut zum Einsatz gelangen.The invention offers a number of advantages over the known contactless chip cards. For one, one can the antenna effect in the contactless transmission of amplifying electrical signals to the read / write station Coupling element regardless of the structural requirements of the chip card with a view to the largest possible reading or Writing distance can be optimized. So can the height of the coupling element for example up to several millimeters, which opens up the use of ferrite material as a coupling element, for example in contactless access control of a user improves reading security and the maximum reading distance can be increased significantly. On the other hand the fastening element with the coupling element can be any often used and for example after a Discard the chip card again.
Bei einer bevorzugten Ausführung der Erfindung kann vorgesehen sein, daß das Befestigungselement als Umhüllung für den Datenträger ausgebildet ist, und den Datenträger wenigstens teilweise aufnimmt. Die Umhüllung kann hierbei in jedem Fall als Schutz für die kontaktlose Chipkarte, sowie als Schmuckund Werbeträger dienen. Die Umhüllung kann darüber hinaus jedoch auch aus einem durchsichtigen oder wenigstens teilweise durchscheinenden Material, insbesondere Kunststoffmaterial hergestellt sein, und auf diese Weise bei in die Umhüllung eingeführten Datenträger die optische Sicht auf die auf den Datenträger aufgebrachten Beschriftungen gewährleisten.In a preferred embodiment of the invention can be provided be that the fastener as an envelope for the Data carrier is formed, and at least the data carrier partially records. The wrapper can in any case as protection for the contactless chip card, as well as jewelry and Serve advertising media. However, the wrapping can go beyond that also from a transparent or at least partially translucent material, especially plastic material be made, and in this way in the wrapper introduced data carrier the optical view of the on the Ensure that labels are attached to the data carrier.
Von Vorteil kann weiterhin vorgesehen sein, daß das Koppelelement am Befestigungselement dauerhaft befestigt ist, und das Befestigungselement und der Datenträger für eine gegenseitig lösbare mechanische Verbindung ausgebildet bzw. angeordnet sind. Auf diese Weise wird bei aufgenommenem bzw. befestigtem Datenträger in bzw. auf dem Befestigungselement die positionsgerechte Lage des Koppelelementes bezüglich der elektronischen Schaltung sichergestellt, und dennoch eine möglichst einfach handzuhabende Verbindung bzw. Lösung von Datenträger und Koppelelement gewährleistet.It can also be advantageous that the coupling element is permanently attached to the fastener, and the fastener and the disk for one another Detachable mechanical connection formed or arranged are. In this way, when recorded or attached Disk in or on the fastener correct position of the coupling element with respect to electronic circuit ensured, and yet a connection or solution of Data carrier and coupling element guaranteed.
Eine weiterhin bevorzugte Ausführung der Erfindung zeichnet sich dadurch aus, daß das Befestigungselement aus Kunststoffmaterial hergestellt ist, und das Koppelelement insbesondere in Form von kunststoffgebundenen Magnetpartikel innerhalb des Befestigungselementes eingebracht ist. In einem solchen Fall kann auch das Befestigungselement hinsichtlich der Biegeeigenschaften die bei Chipkarten vorgesehenen Standardvorgaben erreichen.Another preferred embodiment of the invention is characterized is characterized in that the fastener made of plastic material is made, and the coupling element in particular in the form of plastic-bonded magnetic particles within the Fastener is introduced. In such a case can also the fastener in terms of bending properties the standard specifications for chip cards to reach.
Bei einer besonders bevorzugten Ausführung der Erfindung ist vorgesehen, daß das Befestigungselement in der Form einer Tasche zur wenigstens teilweise Aufnahme des Datenträgers ausgebildet ist, welche Tasche eine Grundplatte und eine die Grundplatte zumindest teilweise abdeckende Abdeckplatte besitzt, welche auf dem Randbereich der Grundplatte vermittels einer Abstützeinrichtung abgestützt ist. Hierbei kann die Abstützeinrichtung als im wesentlichen U-förmiger Abstandshalter und/oder in Form einzelner, auf dem Randbereich der Grundplatte verteilter und einen Abstand voneinander aufweisender Abstandsstege ausgebildet sein. Bei dieser Ausführung kann das Koppelelement entweder einseitig innerhalb nur einer Seitenwandung an einer vorbestimmten Position parallel zur Chipkarte eingebracht sein, oder zur weitergehenden Vergrößerung der effektiven Antennenwirkung zu beiden Seiten gegenüber der Chipkarte innerhalb des Befestigungselementes eingebracht sein.In a particularly preferred embodiment of the invention provided that the fastener in the form of a bag designed to at least partially accommodate the data carrier is which pocket is a base plate and which one Base plate has at least partially covering cover plate, which mediates on the edge area of the base plate a support device is supported. Here, the support device as a substantially U-shaped spacer and / or in the form of individual, on the edge of the Base plate more distributed and spaced apart Spacers should be formed. In this version can the coupling element either one-sided within only one Sidewall at a predetermined position parallel to Chip card inserted, or for further enlargement the effective antenna effect on both sides the chip card introduced within the fastener his.
Weitere Merkmale, Vorteile und Zweckmäßigkeiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen anhand der Zeichnung. Es zeigt:
- Figur 1
- eine schematische Gesamtansicht einer tragbaren Datenübertragungsvorrichtung mit einem Datenträger (kontaktlose Chipkarte) und einem das Koppelelement abstützenden Befestigungselement gemäß einem Ausführungsbeispiel der Erfindung;
Figur 2- eine schematische Schnittansicht einer Datenübertragungsvorrichtung gemäß einem weiteren Ausführungsbeispiel; und
Figur 3- eine schematische Schnittansicht einer Datenübertragungsvorrichtung gemäß einem weiteren Ausführungsbeispiel.
- Figure 1
- a schematic overall view of a portable data transmission device with a data carrier (contactless chip card) and a fastening element supporting the coupling element according to an embodiment of the invention;
- Figure 2
- a schematic sectional view of a data transmission device according to a further embodiment; and
- Figure 3
- is a schematic sectional view of a data transmission device according to another embodiment.
Die in den Figuren 1 bis 3 dargestellten Ausführungsbeispiele
der Erfindung umfassen eine tragbare Datenübertragungsvorrichtung
1 zur kontaktlosen Übertragung von elektrischen Signalen
bzw. Daten an eine (nicht näher dargestellte ortsfeste
Lese-Schreibstation), mit einem Datenträger 2 in der Form einer
handelsüblichen kontaktlosen Chipkarte und einem Koppelelement
3 aus einem Magnetwerkstoff. Die kontaktlose Chipkarte
2 umfaßt einen im Scheckkartenformat ausgebildeten Kartenkörper
11 aus Kunststoffmaterial, innerhalb welchen eine auf einem
Halbleiterchip ausgebildete elektronische Schaltung mit
einem Datenspeicher und eine elektrisch mit der Schaltung
verbundene Induktionsspule integriert ausgebildet sind, wobei
die Windungen der Induktionsspule unter Ausnutzung der maximalen
Kartenfläche der Chipkarte 2 annähernd den äußeren Abmessungen
des Kartenkörpers 11 entsprechende Ausdehnungen besitzen.
Die Herstellung einer solchen kontaktlosen Chipkarte
2 mit integrierter Induktionsspule und Halbleiterchip ist dem
Fachmann geläufig und braucht hier nicht näher ausgeführt zu
werden.The embodiments shown in Figures 1 to 3
of the invention include a portable data transmission device
1 for contactless transmission of electrical signals
or data to a (not shown stationary
Read / write station), with a
Erfindungsgemäß ist ein den äußeren Abmessungen des Datenträgers
2 wenigstens teilweise angepaßtes Befestigungselement 4
vorgesehen, welches zum einen den Datenträger 2, und zum anderen
das Koppelelement 3 in der vorbestimmten Lage bezüglich
des Datenträgers 2 abstützt. Das Koppelelement 3 ist dauerhaft
am Befestigungselement 4 befestigt bzw. eingebracht. In
den bevorzugten Ausführungsbeispielen nach den Figuren 1 bis
3 stellt das Befestigungselement 4 eine Schutzhülle für die
kontaktlose Chipkarte in der Form einer Tasche zur annähernd
vollständigen (Figuren 1 und 2) oder vollständigen Aufnahme
(Figur 3) des Datenträgers 2 dar, welche Tasche eine Grundplatte
5 und eine die Grundplatte 5 zumindest teilweise abdeckende
Abdeckplatte 6 besitzt, welche auf dem Randbereich
der Grundplatte 5 vermittels einer Abstützeinrichtung 7 abgestützt
ist, wobei die Abstützeinrichtung 7 als im wesentlichen
U-förmiger Abstandshalter ausgebildet ist. Der U-förmige
Abstandshalter 7 ist auf dem Randbereich der Grundplatte 5
beispielsweise aufgeklebt, und die auf dem Abstandshalter
aufgeklebte Abdeckfolie 6 so abgestützt, daß die Abdeckfolie
6 mit einem bestimmten Abstand von der Grundplatte 5 angeordnet
ist. Das in den Figuren 1 bis 3 dargestellte Befestigungselement
4 ist somit an drei Seiten mittels der Abstützeinrichtung
7 abgeschlossen, und lediglich auf einer Seite offen.
Die gegebenenfalls optisch durchsichtige Grundplatte 5
und die Abdeckplatte 6 bestehen jeweils aus einem biegsamen,
mechanisch strapazierfähigen und maßhaltigen Kunststoff, wie
beispielsweise Polykarbonat oder Polyester. Die Gesamtstärke
der auch aus mehreren Einzelfolien bestehenden Abdeckplatte 6
beträgt beispielsweise 0,25 mm bis 2 mm. Die Stärke der Abstützeinrichtung
7 ist so gewählt, daß ein leichtes Einführen
des Datenträgers 2 in das Befestigungselement 4 gewährleistet
ist, also beispielsweise etwas mehr als 840 µm. Anstelle des
U-förmigen Abstandshalters 7 kann die Abstützeinrichtung bei
einem weiteren, nicht näher dargestellten Ausführungsbeispiel
der Erfindung auch in Form einzelner, auf dem Randbereich der
Grundplatte 5 verteilter Abstandsstege ausgebildet sein, wobei
in diesem Fall das Befestigungselement 4 bei den drei
Randbereichen nicht vollständig abgeschlossen ist, sondern
eine Luftspalte zwischen Abdeckplatte 6 und Grundplatte 5
aufweist, so daß der Datenträger 2 noch einfacher in das Befestigungselement
4 einführbar ist. Bei einem weiteren, ebenfalls
nicht näher dargestellten Ausführungsbeispiel eines Befestigungselementes
gemäß der Erfindung besteht die Grundplatte
aus demselben Material wie die Abdeckplatte. Ein derartiges
Befestigungselement kann beispielsweise einfach so
ausgebildet sein, daß eine einzige Abdeckplatte mit dem doppelten
Flächenwert einer Chipkarte in der Mitte gefalzt wird
und beispielsweise an drei Randseiten mittels des U-förmigen
Abstandshalters, der Klebeflächen aufweist, zusammengeklebt.
Bei einer weiteren Ausführungsform wird der leichteren Herstellung
wegen ein am Randbereich der Grundplatte abgestützter
Teil der Abdeckplatte als Abstützeinrichtung ausgebildet,
so daß Abdeckplatte und Abstützeinrichtung aus einem Stück
bestehen. Dabei kann der die Abstützeinrichtung bildende
Randabschnitt der Abdeckplatte tiefgezogen, geprägt, gefalzt
und geknickt, oder durch ein sonstiges Verfahren hergestellt
sein.According to the invention, the external dimensions of the
Bei dem in Figur 1 dargestellten Ausführungsbeispiel ist innerhalb
der Abdeckplatte 6 ein dünner, plattenförmiger Ferrit
12 eingearbeitet, dessen Grundfläche fast vollständig den
entsprechenden äußeren Abmessungen des Datenträgers 2 entspricht.
Die Abdeckplatte 6 besteht in diesem Fall aus zwei
gleichflächigen Kunststofffolien, zwischen denen die Ferritplatte
12 eingesetzt ist, und die am Randbereich miteinander
verschweißt sind.In the embodiment shown in Figure 1 is within
the cover plate 6 is a thin, plate-shaped
Bei dem in Figur 2 dargestellten Ausführungsbeispiel sind sowohl
in der Abdeckplatte 6, als auch in der Grundplatte 5
Ferritkörper 8 und 9 eingearbeitet, welche jeweils eine Stärke
von beispielsweise etwa 0,5 mm bis 1 mm aufweisen.In the embodiment shown in Figure 2 are both
in the cover plate 6, as well as in the
Bei dem in Figur 3 darstellten Ausführungsbeispiel sind in
den jeweils als Kunststoffolien mit einer Stärke von etwa 1
bis 2 mm ausgebildeten Grundplatte 5 und Abdeckplatte 6 jeweils
Magnetpartikel 10 eingebunden.In the embodiment shown in Figure 3 are in
each as a plastic film with a thickness of about 1
up to 2 mm trained
Claims (12)
- Portable data transmission device for the transmission of electrical signals and/or data to a read-write station, having a data medium (2) in which an electronic circuit with a data memory is integrated, and having a coupling element (3), which is assigned to the electronic circuit and is arranged or supported in a predetermined spatial position with regard to the electronic circuit, a fixing element (4) being provided, which is at least partially matched to the outer dimensions of the data medium (2) and supports the data medium (2), on the one hand, and the coupling element (3), on the other hand, in the predetermined position with regard to the data medium (2), wherein the data medium (2) constitutes a contactless smart card having an induction coil which is integrated in the card body of the smart card and is electrically connected to the electronic circuit, characterized in that [lacuna] coupling element (3) as a constituent of the fixing element has a magnetic material, assigned to the induction coil, for improving the reading or writing security when the contactless smart card is guided past the read-write station and increasing the maximum possible reading or writing distance.
- Data transmission device according to Claim 1, characterized in that the fixing element (4) is designed as an encapsulation for the data medium (2) and at least partially accommodates the data medium (2).
- Data transmission device according to Claim 1 or 2, characterized in that the coupling element (3) is permanently fixed to the fixing element (4), and the fixing element (4) and the data medium (2) are designed or arranged for a mutually releasable mechanical connection.
- Data transmission device according to one of Claims 1 to 3, characterized in that the fixing element (4) is produced from plastic material, and the coupling element (3) is incorporated in particular in the form of plastic-bound magnetic particles (10) within the fixing element (4).
- Data transmission device according to one of Claims 1 to 4, characterized in that the fixing element (4) is designed in the form of a pocket for at least partially accommodating the data medium (2), which pocket has a baseplate (5) and a covering plate (6), which at least partially covers the baseplate (5) and is supported on the edge region of the baseplate (5) by means of a supporting facility (7).
- Data transmission device according to Claim 5, characterized in that the supporting facility (7) is designed as an essentially U-shaped spacer and/or in the form of individual spacer webs which are distributed on the edge region of the baseplate (5) and are spaced apart from one another.
- Data transmission device according to Claim 5 or 6, characterized in that the coupling element (3) is incorporated in the baseplate (5) or in the covering plate (6) or in both.
- Fixing element having a coupling element (3) for a contactless smart card (2), said coupling element being supported by said fixing element, in which smart card an electronic circuit with a data memory and an induction coil are integrated, said induction coil being electrically connected to the electronic circuit, where the following hold true:the fixing element has a baseplate (5) and a covering plate (6), which at least partially covers the baseplate (5) and is supported on the edge region of the baseplate (5) by a supporting facility (7),the coupling element (3) has a magnetic material assigned to the induction coil, andthe coupling element (3) is incorporated in the baseplate (5) or the covering plate (6) or in both, to be precise in a predetermined spatial position corresponding to the electronic circuit after accommodation of the contactless smart card (2) such that the coupling element (3) can interact with the induction coil of the received contactless chip card (2) such that an increase in the maximum possible read/write distance to a read/write station is brought about.
- Fixing element according to Claim 8, characterized in that the supporting facility (7) is designed as an essentially U-shaped spacer and/or in the form of individual spacer webs which are distributed on the edge region of the baseplate (5) and are spaced apart from one another.
- The fixing element according to Claim 8 or 9, characterized in that the fixing element (4) is produced from plastic material, and the coupling element (3) is incorporated in particular in the form of plastic-bound magnetic particles within the fixing element (4).
- The fixing element according to Claims 8 to 10, characterized in that the fixing element (4) is designed as an encapsulation for the data medium (2) and at least partially accommodates the data medium (2).
- The fixing element according to Claims 8 to 11, characterized in that the coupling element (3) is permanently fixed to the fixing element (4), and the fixing element (4) and the data medium (2) are designed or arranged for a mutually releasable mechanical connection.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19629086A DE19629086A1 (en) | 1996-07-18 | 1996-07-18 | Portable data transmission device and fastener |
DE19629086 | 1996-07-18 | ||
PCT/DE1997/001336 WO1998003936A1 (en) | 1996-07-18 | 1997-06-26 | Portable data transmission device and fastening element |
Publications (2)
Publication Number | Publication Date |
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EP0978092A1 EP0978092A1 (en) | 2000-02-09 |
EP0978092B1 true EP0978092B1 (en) | 2002-11-27 |
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Application Number | Title | Priority Date | Filing Date |
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EP97931665A Expired - Lifetime EP0978092B1 (en) | 1996-07-18 | 1997-06-26 | Portable data transmission device and fastening element |
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---|---|
US (1) | US6367701B1 (en) |
EP (1) | EP0978092B1 (en) |
JP (1) | JP2000500894A (en) |
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BR (1) | BR9710371A (en) |
DE (2) | DE19629086A1 (en) |
IN (1) | IN192207B (en) |
RU (1) | RU2163030C2 (en) |
UA (1) | UA52666C2 (en) |
WO (1) | WO1998003936A1 (en) |
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1996
- 1996-07-18 DE DE19629086A patent/DE19629086A1/en not_active Withdrawn
-
1997
- 1997-06-26 WO PCT/DE1997/001336 patent/WO1998003936A1/en active IP Right Grant
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- 1997-06-26 AT AT97931665T patent/ATE228686T1/en active
- 1997-06-26 RU RU99103210/09A patent/RU2163030C2/en not_active IP Right Cessation
- 1997-06-26 KR KR10-1999-7000346A patent/KR100417041B1/en not_active IP Right Cessation
- 1997-09-07 IN IN1297CA1997 patent/IN192207B/en unknown
-
1999
- 1999-01-19 US US09/233,279 patent/US6367701B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
UA52666C2 (en) | 2003-01-15 |
JP2000500894A (en) | 2000-01-25 |
DE19629086A1 (en) | 1998-01-29 |
BR9710371A (en) | 1999-08-17 |
KR20000067896A (en) | 2000-11-25 |
DE59708844D1 (en) | 2003-01-09 |
WO1998003936A1 (en) | 1998-01-29 |
US6367701B1 (en) | 2002-04-09 |
RU2163030C2 (en) | 2001-02-10 |
IN192207B (en) | 2004-03-13 |
KR100417041B1 (en) | 2004-02-05 |
EP0978092A1 (en) | 2000-02-09 |
ATE228686T1 (en) | 2002-12-15 |
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